6208 * 192
8250
* 750
3 The cost price of 10 pencils is the selling price of 8 pencils. What is the profit percentage?
4 A man bought notebooks at the rate of * 72 per dozen and sold them at the rate of * 25 for a packe
of 5 books. What was his gain or loss?
5 A man sells a sofa for * 3210 making a profit of 7%. What would have been his profit per cent if he
had sold it for 3360?
6 The marked price of a television is 25% more than the cost price. It is sold at a discount of 10%. If
the marked price is 12,000, then find the cost price, selling price, and the profit. What will be the
percentage of profit?
7 In a village in Maharashtra, due to drought, the population decreased by 12%, since families move
out of the village to find livelihood. If there were only 1584 people left in the village after the year,
how many people inhabited the village before the drought?
Note: Every year many parts of India face drought situations which force them to look for livelihood elsewher
What do you think about this issue? What percentage of the population migrates due to drought?
3 A plot of land costs 1,00,000. The land value appreciates by 5% the first year and the value furthe
appreciates by 8% the next year. What is the cost of the land after two years?
Amulya bought a second-hand car for 5,20,350. He polished the car for 2500, replaced old part
for * 15,000, and then resold the car. He managed to make a profit of 14%. How much did he sell
the car for?
A businessman buys 200 litres of vegetable oil at the rate of 60 per litre. He spends 2000 on
packaging and * 6000 on transport. He then sells 1-litre packets for * 120. Does he make a profit?
What is the profit or loss percentage?
Answers
Answered by
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Pythagoras' theorem states that for all right-angled triangles, 'The square on the hypotenuse is equal to the sum of the squares on the other two sides'. The hypotenuse is the longest side and it's always opposite the right angle. In this triangle \ (a^2 = b^2 + c^2\) and angle \ (A\) is a right angle.
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Answered by
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Answer:
Pythagoras' theorem states that for all right-angled triangles, 'The square on the hypotenuse is equal to the sum of the squares on the other two sides'. The hypotenuse is the longest side and it's always opposite the right angle. In this triangle \ (a^2 = b^2 + c^2\) and angle \ (A\) is a right angle.
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